 
(* ::Section:: *)
(* SISE *)
(* ::Text:: *)
(*SISE[p] can be used as input for D-4-dimensional $\sigma ^{\mu }p_{\mu }$ with D-4-dimensional Lorentz vector p and is transformed into PauliSigma[Momentum[p,D-4],D-4] by FeynCalcInternal..*)


(* ::Subsection:: *)
(* Examples *)
SISE[p]

SISE[p]//FCI//StandardForm

SISE[p,q,r,s]

SISE[p,q,r,s]//StandardForm
